package com.example.demo.configuration;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @description:
 * @author: cj
 * @create: 10-01-07 10:19:43
 */
@Configuration
public class RedisConfig {

    @Bean
    //配置redisTemplate
    // 默认情况下的模板只能支持 RedisTemplate<String,String>，
    // 只能存入字符串，很多时候，我们需要自定义 RedisTemplate ，设置序列化器
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
//        RedisTemplate<String, Object> template = new RedisTemplate<>();
//        template.setConnectionFactory( factory );
//
//        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer( Object.class );
//        ObjectMapper om = new ObjectMapper();
//        om.setVisibility( PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY );
//        om.enableDefaultTyping( ObjectMapper.DefaultTyping.NON_FINAL );
//        jackson2JsonRedisSerializer.setObjectMapper( om );
//
//        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
//        // key采用String的序列化方式
//        template.setKeySerializer( stringRedisSerializer );
//        // hash的key也采用String的序列化方式
//        template.setHashKeySerializer( stringRedisSerializer );
//        // value序列化方式采用jackson
//        template.setValueSerializer( jackson2JsonRedisSerializer );
//        // hash的value序列化方式采用jackson
//        template.setHashValueSerializer( jackson2JsonRedisSerializer );
//        template.afterPropertiesSet();
//
//        return template;
        RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();
        template.setConnectionFactory(factory);
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);

        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        // key采用String的序列化方式
        template.setKeySerializer(stringRedisSerializer);
        // hash的key也采用String的序列化方式
        template.setHashKeySerializer(stringRedisSerializer);

        // value序列化方式采用 String
        template.setValueSerializer(stringRedisSerializer);
        // hash的value序列化方式采用String
        template.setHashValueSerializer(stringRedisSerializer);


        template.afterPropertiesSet();
        return template;
    }

}
